[thirdparty/xfsprogs-dev.git] / db / bmapbt.c

/*
 * Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it would be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * 
 * Further, this software is distributed without any warranty that it is
 * free of the rightful claim of any third person regarding infringement
 * or the like.  Any license provided herein, whether implied or
 * otherwise, applies only to this software file.  Patent licenses, if
 * any, provided herein do not apply to combinations of this program with
 * other software, or any other product whatsoever.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
 * 
 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 * Mountain View, CA  94043, or:
 * 
 * http://www.sgi.com 
 * 
 * For further information regarding this notice, see: 
 * 
 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
 */

#include <libxfs.h>
#include "data.h"
#include "type.h"
#include "faddr.h"
#include "fprint.h"
#include "field.h"
#include "bmapbt.h"
#include "print.h"
#include "bit.h"
#include "mount.h"

static int	bmapbta_key_count(void *obj, int startoff);
static int	bmapbta_key_offset(void *obj, int startoff, int idx);
static int	bmapbta_ptr_count(void *obj, int startoff);
static int	bmapbta_ptr_offset(void *obj, int startoff, int idx);
static int	bmapbta_rec_count(void *obj, int startoff);
static int	bmapbta_rec_offset(void *obj, int startoff, int idx);
static int	bmapbtd_key_count(void *obj, int startoff);
static int	bmapbtd_key_offset(void *obj, int startoff, int idx);
static int	bmapbtd_ptr_count(void *obj, int startoff);
static int	bmapbtd_ptr_offset(void *obj, int startoff, int idx);
static int	bmapbtd_rec_count(void *obj, int startoff);
static int	bmapbtd_rec_offset(void *obj, int startoff, int idx);

const field_t	bmapbta_hfld[] = {
	{ "", FLDT_BMAPBTA, OI(0), C1, 0, TYP_NONE },
	{ NULL }
};
const field_t	bmapbtd_hfld[] = {
	{ "", FLDT_BMAPBTD, OI(0), C1, 0, TYP_NONE },
	{ NULL }
};

#define	OFF(f)	bitize(offsetof(xfs_bmbt_block_t, bb_ ## f))
const field_t	bmapbta_flds[] = {
	{ "magic", FLDT_UINT32X, OI(OFF(magic)), C1, 0, TYP_NONE },
	{ "level", FLDT_UINT16D, OI(OFF(level)), C1, 0, TYP_NONE },
	{ "numrecs", FLDT_UINT16D, OI(OFF(numrecs)), C1, 0, TYP_NONE },
	{ "leftsib", FLDT_DFSBNO, OI(OFF(leftsib)), C1, 0, TYP_BMAPBTA },
	{ "rightsib", FLDT_DFSBNO, OI(OFF(rightsib)), C1, 0, TYP_BMAPBTA },
	{ "recs", FLDT_BMAPBTAREC, bmapbta_rec_offset, bmapbta_rec_count,
	  FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_NONE },
	{ "keys", FLDT_BMAPBTAKEY, bmapbta_key_offset, bmapbta_key_count,
	  FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_NONE },
	{ "ptrs", FLDT_BMAPBTAPTR, bmapbta_ptr_offset, bmapbta_ptr_count,
	  FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_BMAPBTA },
	{ NULL }
};
const field_t	bmapbtd_flds[] = {
	{ "magic", FLDT_UINT32X, OI(OFF(magic)), C1, 0, TYP_NONE },
	{ "level", FLDT_UINT16D, OI(OFF(level)), C1, 0, TYP_NONE },
	{ "numrecs", FLDT_UINT16D, OI(OFF(numrecs)), C1, 0, TYP_NONE },
	{ "leftsib", FLDT_DFSBNO, OI(OFF(leftsib)), C1, 0, TYP_BMAPBTD },
	{ "rightsib", FLDT_DFSBNO, OI(OFF(rightsib)), C1, 0, TYP_BMAPBTD },
	{ "recs", FLDT_BMAPBTDREC, bmapbtd_rec_offset, bmapbtd_rec_count,
	  FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_NONE },
	{ "keys", FLDT_BMAPBTDKEY, bmapbtd_key_offset, bmapbtd_key_count,
	  FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_NONE },
	{ "ptrs", FLDT_BMAPBTDPTR, bmapbtd_ptr_offset, bmapbtd_ptr_count,
	  FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_BMAPBTD },
	{ NULL }
};

#define	KOFF(f)	bitize(offsetof(xfs_bmbt_key_t, br_ ## f))
const field_t	bmapbta_key_flds[] = {
	{ "startoff", FLDT_DFILOFFA, OI(KOFF(startoff)), C1, 0, TYP_ATTR },
	{ NULL }
};
const field_t	bmapbtd_key_flds[] = {
	{ "startoff", FLDT_DFILOFFD, OI(KOFF(startoff)), C1, 0, TYP_INODATA },
	{ NULL }
};

const field_t	bmapbta_rec_flds[] = {
	{ "startoff", FLDT_CFILEOFFA, OI(BMBT_STARTOFF_BITOFF), C1, 0,
	  TYP_ATTR },
	{ "startblock", FLDT_CFSBLOCK, OI(BMBT_STARTBLOCK_BITOFF), C1, 0,
	  TYP_ATTR },
	{ "blockcount", FLDT_CEXTLEN, OI(BMBT_BLOCKCOUNT_BITOFF), C1, 0,
	  TYP_NONE },
	{ "extentflag", FLDT_CEXTFLG, OI(BMBT_EXNTFLAG_BITOFF), C1, 0,
	  TYP_NONE },
	{ NULL }
};
const field_t	bmapbtd_rec_flds[] = {
	{ "startoff", FLDT_CFILEOFFD, OI(BMBT_STARTOFF_BITOFF), C1, 0,
	  TYP_INODATA },
	{ "startblock", FLDT_CFSBLOCK, OI(BMBT_STARTBLOCK_BITOFF), C1, 0,
	  TYP_INODATA },
	{ "blockcount", FLDT_CEXTLEN, OI(BMBT_BLOCKCOUNT_BITOFF), C1, 0,
	  TYP_NONE },
	{ "extentflag", FLDT_CEXTFLG, OI(BMBT_EXNTFLAG_BITOFF), C1, 0,
	  TYP_NONE },
	{ NULL }
};

static int
bmapbta_key_count(
	void			*obj,
	int			startoff)
{
	xfs_bmbt_block_t	*block;

	ASSERT(startoff == 0);
	block = obj;
	if (INT_GET(block->bb_level, ARCH_CONVERT) == 0)
		return 0;
	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
}

static int
bmapbta_key_offset(
	void			*obj,
	int			startoff,
	int			idx)
{
	xfs_bmbt_block_t	*block;
	xfs_bmbt_key_t		*kp;

	ASSERT(startoff == 0);
	block = obj;
	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) > 0);
	kp = XFS_BTREE_KEY_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
		XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 0));
	return bitize((int)((char *)kp - (char *)block));
}

static int
bmapbta_ptr_count(
	void			*obj,
	int			startoff)
{
	xfs_bmbt_block_t	*block;

	ASSERT(startoff == 0);
	block = obj;
	if (INT_GET(block->bb_level, ARCH_CONVERT) == 0)
		return 0;
	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
}

static int
bmapbta_ptr_offset(
	void			*obj,
	int			startoff,
	int			idx)
{
	xfs_bmbt_block_t	*block;
	xfs_bmbt_ptr_t		*pp;

	ASSERT(startoff == 0);
	block = obj;
	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) > 0);
	pp = XFS_BTREE_PTR_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
		XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 0));
	return bitize((int)((char *)pp - (char *)block));
}

static int
bmapbta_rec_count(
	void			*obj,
	int			startoff)
{
	xfs_bmbt_block_t	*block;

	ASSERT(startoff == 0);
	block = obj;
	if (INT_GET(block->bb_level, ARCH_CONVERT) > 0)
		return 0;
	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
}

static int
bmapbta_rec_offset(
	void			*obj,
	int			startoff,
	int			idx)
{
	xfs_bmbt_block_t	*block;
	xfs_bmbt_rec_t		*rp;

	ASSERT(startoff == 0);
	block = obj;
	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) == 0);
	rp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
		XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 1));
	return bitize((int)((char *)rp - (char *)block));
}

int
bmapbta_size(
	void	*obj,
	int	startoff,
	int	idx)
{
	return bitize(mp->m_sb.sb_blocksize);
}

static int
bmapbtd_key_count(
	void			*obj,
	int			startoff)
{
	xfs_bmbt_block_t	*block;

	ASSERT(startoff == 0);
	block = obj;
	if (INT_GET(block->bb_level, ARCH_CONVERT) == 0)
		return 0;
	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
}

static int
bmapbtd_key_offset(
	void			*obj,
	int			startoff,
	int			idx)
{
	xfs_bmbt_block_t	*block;
	xfs_bmbt_key_t		*kp;

	ASSERT(startoff == 0);
	block = obj;
	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) > 0);
	kp = XFS_BTREE_KEY_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
		XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 0));
	return bitize((int)((char *)kp - (char *)block));
}

static int
bmapbtd_ptr_count(
	void			*obj,
	int			startoff)
{
	xfs_bmbt_block_t	*block;

	ASSERT(startoff == 0);
	block = obj;
	if (INT_GET(block->bb_level, ARCH_CONVERT) == 0)
		return 0;
	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
}

static int
bmapbtd_ptr_offset(
	void			*obj,
	int			startoff,
	int			idx)
{
	xfs_bmbt_block_t	*block;
	xfs_bmbt_ptr_t		*pp;

	ASSERT(startoff == 0);
	block = obj;
	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) > 0);
	pp = XFS_BTREE_PTR_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
		XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 0));
	return bitize((int)((char *)pp - (char *)block));
}

static int
bmapbtd_rec_count(
	void			*obj,
	int			startoff)
{
	xfs_bmbt_block_t	*block;

	ASSERT(startoff == 0);
	block = obj;
	if (INT_GET(block->bb_level, ARCH_CONVERT) > 0)
		return 0;
	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
}

static int
bmapbtd_rec_offset(
	void			*obj,
	int			startoff,
	int			idx)
{
	xfs_bmbt_block_t	*block;
	xfs_bmbt_rec_t		*rp;

	ASSERT(startoff == 0);
	block = obj;
	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) == 0);
	rp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
		XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 1));
	return bitize((int)((char *)rp - (char *)block));
}

int
bmapbtd_size(
	void	*obj,
	int	startoff,
	int	idx)
{
	return bitize(mp->m_sb.sb_blocksize);
}
Commit	Line	Data
2bd0ea18	1	/*
0d3e0b37	2	* Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
2bd0ea18 NS	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms of version 2 of the GNU General Public License as
	6	* published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it would be useful, but
	9	* WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
	11	*
	12	* Further, this software is distributed without any warranty that it is
	13	* free of the rightful claim of any third person regarding infringement
	14	* or the like. Any license provided herein, whether implied or
	15	* otherwise, applies only to this software file. Patent licenses, if
	16	* any, provided herein do not apply to combinations of this program with
	17	* other software, or any other product whatsoever.
	18	*
	19	* You should have received a copy of the GNU General Public License along
	20	* with this program; if not, write the Free Software Foundation, Inc., 59
	21	* Temple Place - Suite 330, Boston MA 02111-1307, USA.
	22	*
	23	* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
	24	* Mountain View, CA 94043, or:
	25	*
	26	* http://www.sgi.com
	27	*
	28	* For further information regarding this notice, see:
	29	*
	30	* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
	31	*/
	32
	33	#include <libxfs.h>
	34	#include "data.h"
	35	#include "type.h"
	36	#include "faddr.h"
	37	#include "fprint.h"
	38	#include "field.h"
	39	#include "bmapbt.h"
	40	#include "print.h"
	41	#include "bit.h"
	42	#include "mount.h"
	43
	44	static int bmapbta_key_count(void *obj, int startoff);
	45	static int bmapbta_key_offset(void *obj, int startoff, int idx);
	46	static int bmapbta_ptr_count(void *obj, int startoff);
	47	static int bmapbta_ptr_offset(void *obj, int startoff, int idx);
	48	static int bmapbta_rec_count(void *obj, int startoff);
	49	static int bmapbta_rec_offset(void *obj, int startoff, int idx);
	50	static int bmapbtd_key_count(void *obj, int startoff);
	51	static int bmapbtd_key_offset(void *obj, int startoff, int idx);
	52	static int bmapbtd_ptr_count(void *obj, int startoff);
	53	static int bmapbtd_ptr_offset(void *obj, int startoff, int idx);
	54	static int bmapbtd_rec_count(void *obj, int startoff);
	55	static int bmapbtd_rec_offset(void *obj, int startoff, int idx);
	56
	57	const field_t bmapbta_hfld[] = {
	58	{ "", FLDT_BMAPBTA, OI(0), C1, 0, TYP_NONE },
	59	{ NULL }
	60	};
	61	const field_t bmapbtd_hfld[] = {
	62	{ "", FLDT_BMAPBTD, OI(0), C1, 0, TYP_NONE },
	63	{ NULL }
	64	};
	65
	66	#define OFF(f) bitize(offsetof(xfs_bmbt_block_t, bb_ ## f))
67	const field_t bmapbta_flds[] = {
68	{ "magic", FLDT_UINT32X, OI(OFF(magic)), C1, 0, TYP_NONE },
69	{ "level", FLDT_UINT16D, OI(OFF(level)), C1, 0, TYP_NONE },
70	{ "numrecs", FLDT_UINT16D, OI(OFF(numrecs)), C1, 0, TYP_NONE },
71	{ "leftsib", FLDT_DFSBNO, OI(OFF(leftsib)), C1, 0, TYP_BMAPBTA },
72	{ "rightsib", FLDT_DFSBNO, OI(OFF(rightsib)), C1, 0, TYP_BMAPBTA },
73	{ "recs", FLDT_BMAPBTAREC, bmapbta_rec_offset, bmapbta_rec_count,
74	FLD_ARRAY\|FLD_ABASE1\|FLD_COUNT\|FLD_OFFSET, TYP_NONE },
75	{ "keys", FLDT_BMAPBTAKEY, bmapbta_key_offset, bmapbta_key_count,
76	FLD_ARRAY\|FLD_ABASE1\|FLD_COUNT\|FLD_OFFSET, TYP_NONE },
77	{ "ptrs", FLDT_BMAPBTAPTR, bmapbta_ptr_offset, bmapbta_ptr_count,
78	FLD_ARRAY\|FLD_ABASE1\|FLD_COUNT\|FLD_OFFSET, TYP_BMAPBTA },
79	{ NULL }
80	};
81	const field_t bmapbtd_flds[] = {
82	{ "magic", FLDT_UINT32X, OI(OFF(magic)), C1, 0, TYP_NONE },
83	{ "level", FLDT_UINT16D, OI(OFF(level)), C1, 0, TYP_NONE },
84	{ "numrecs", FLDT_UINT16D, OI(OFF(numrecs)), C1, 0, TYP_NONE },
85	{ "leftsib", FLDT_DFSBNO, OI(OFF(leftsib)), C1, 0, TYP_BMAPBTD },
86	{ "rightsib", FLDT_DFSBNO, OI(OFF(rightsib)), C1, 0, TYP_BMAPBTD },
87	{ "recs", FLDT_BMAPBTDREC, bmapbtd_rec_offset, bmapbtd_rec_count,
88	FLD_ARRAY\|FLD_ABASE1\|FLD_COUNT\|FLD_OFFSET, TYP_NONE },
89	{ "keys", FLDT_BMAPBTDKEY, bmapbtd_key_offset, bmapbtd_key_count,
90	FLD_ARRAY\|FLD_ABASE1\|FLD_COUNT\|FLD_OFFSET, TYP_NONE },
91	{ "ptrs", FLDT_BMAPBTDPTR, bmapbtd_ptr_offset, bmapbtd_ptr_count,
92	FLD_ARRAY\|FLD_ABASE1\|FLD_COUNT\|FLD_OFFSET, TYP_BMAPBTD },
93	{ NULL }
94	};
95
96	#define KOFF(f) bitize(offsetof(xfs_bmbt_key_t, br_ ## f))
97	const field_t bmapbta_key_flds[] = {
98	{ "startoff", FLDT_DFILOFFA, OI(KOFF(startoff)), C1, 0, TYP_ATTR },
99	{ NULL }
100	};
101	const field_t bmapbtd_key_flds[] = {
102	{ "startoff", FLDT_DFILOFFD, OI(KOFF(startoff)), C1, 0, TYP_INODATA },
103	{ NULL }
104	};
105
106	const field_t bmapbta_rec_flds[] = {
107	{ "startoff", FLDT_CFILEOFFA, OI(BMBT_STARTOFF_BITOFF), C1, 0,
108	TYP_ATTR },
109	{ "startblock", FLDT_CFSBLOCK, OI(BMBT_STARTBLOCK_BITOFF), C1, 0,
110	TYP_ATTR },
111	{ "blockcount", FLDT_CEXTLEN, OI(BMBT_BLOCKCOUNT_BITOFF), C1, 0,
112	TYP_NONE },
113	{ "extentflag", FLDT_CEXTFLG, OI(BMBT_EXNTFLAG_BITOFF), C1, 0,
114	TYP_NONE },
115	{ NULL }
116	};
117	const field_t bmapbtd_rec_flds[] = {
118	{ "startoff", FLDT_CFILEOFFD, OI(BMBT_STARTOFF_BITOFF), C1, 0,
119	TYP_INODATA },
120	{ "startblock", FLDT_CFSBLOCK, OI(BMBT_STARTBLOCK_BITOFF), C1, 0,
121	TYP_INODATA },
122	{ "blockcount", FLDT_CEXTLEN, OI(BMBT_BLOCKCOUNT_BITOFF), C1, 0,
123	TYP_NONE },
124	{ "extentflag", FLDT_CEXTFLG, OI(BMBT_EXNTFLAG_BITOFF), C1, 0,
125	TYP_NONE },
126	{ NULL }
127	};
128
129	static int
130	bmapbta_key_count(
131	void *obj,
132	int startoff)
133	{
134	xfs_bmbt_block_t *block;
135
136	ASSERT(startoff == 0);
137	block = obj;
138	if (INT_GET(block->bb_level, ARCH_CONVERT) == 0)
139	return 0;
140	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
141	}
142
143	static int
144	bmapbta_key_offset(
145	void *obj,
146	int startoff,
147	int idx)
148	{
149	xfs_bmbt_block_t *block;
150	xfs_bmbt_key_t *kp;
151
152	ASSERT(startoff == 0);
153	block = obj;
154	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) > 0);
155	kp = XFS_BTREE_KEY_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
156	XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 0));
157	return bitize((int)((char )kp - (char )block));
158	}
159
160	static int
161	bmapbta_ptr_count(
162	void *obj,
163	int startoff)
164	{
165	xfs_bmbt_block_t *block;
166
167	ASSERT(startoff == 0);
168	block = obj;
169	if (INT_GET(block->bb_level, ARCH_CONVERT) == 0)
170	return 0;
171	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
172	}
173
174	static int
175	bmapbta_ptr_offset(
176	void *obj,
177	int startoff,
178	int idx)
179	{
180	xfs_bmbt_block_t *block;
181	xfs_bmbt_ptr_t *pp;
182
183	ASSERT(startoff == 0);
184	block = obj;
185	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) > 0);
186	pp = XFS_BTREE_PTR_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
187	XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 0));
188	return bitize((int)((char )pp - (char )block));
189	}
190
191	static int
192	bmapbta_rec_count(
193	void *obj,
194	int startoff)
195	{
196	xfs_bmbt_block_t *block;
197
198	ASSERT(startoff == 0);
199	block = obj;
200	if (INT_GET(block->bb_level, ARCH_CONVERT) > 0)
201	return 0;
202	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
203	}
204
205	static int
206	bmapbta_rec_offset(
207	void *obj,
208	int startoff,
209	int idx)
210	{
211	xfs_bmbt_block_t *block;
212	xfs_bmbt_rec_t *rp;
213
214	ASSERT(startoff == 0);
215	block = obj;
216	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) == 0);
217	rp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
218	XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 1));
219	return bitize((int)((char )rp - (char )block));
220	}
221
222	int
223	bmapbta_size(
224	void *obj,
225	int startoff,
226	int idx)
227	{
228	return bitize(mp->m_sb.sb_blocksize);
229	}
230
231	static int
232	bmapbtd_key_count(
233	void *obj,
234	int startoff)
235	{
236	xfs_bmbt_block_t *block;
237
238	ASSERT(startoff == 0);
239	block = obj;
240	if (INT_GET(block->bb_level, ARCH_CONVERT) == 0)
241	return 0;
242	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
243	}
244
245	static int
246	bmapbtd_key_offset(
247	void *obj,
248	int startoff,
249	int idx)
250	{
251	xfs_bmbt_block_t *block;
252	xfs_bmbt_key_t *kp;
253
254	ASSERT(startoff == 0);
255	block = obj;
256	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) > 0);
257	kp = XFS_BTREE_KEY_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
258	XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 0));
259	return bitize((int)((char )kp - (char )block));
260	}
261
262	static int
263	bmapbtd_ptr_count(
264	void *obj,
265	int startoff)
266	{
267	xfs_bmbt_block_t *block;
268
269	ASSERT(startoff == 0);
270	block = obj;
271	if (INT_GET(block->bb_level, ARCH_CONVERT) == 0)
272	return 0;
273	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
274	}
275
276	static int
277	bmapbtd_ptr_offset(
278	void *obj,
279	int startoff,
280	int idx)
281	{
282	xfs_bmbt_block_t *block;
283	xfs_bmbt_ptr_t *pp;
284
285	ASSERT(startoff == 0);
286	block = obj;
287	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) > 0);
288	pp = XFS_BTREE_PTR_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
289	XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 0));
290	return bitize((int)((char )pp - (char )block));
291	}
292
293	static int
294	bmapbtd_rec_count(
295	void *obj,
296	int startoff)
297	{
298	xfs_bmbt_block_t *block;
299
300	ASSERT(startoff == 0);
301	block = obj;
302	if (INT_GET(block->bb_level, ARCH_CONVERT) > 0)
303	return 0;
304	return INT_GET(block->bb_numrecs, ARCH_CONVERT);
305	}
306
307	static int
308	bmapbtd_rec_offset(
309	void *obj,
310	int startoff,
311	int idx)
312	{
313	xfs_bmbt_block_t *block;
314	xfs_bmbt_rec_t *rp;
315
316	ASSERT(startoff == 0);
317	block = obj;
318	ASSERT(INT_GET(block->bb_level, ARCH_CONVERT) == 0);
319	rp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, idx,
320	XFS_BTREE_BLOCK_MAXRECS(mp->m_sb.sb_blocksize, xfs_bmbt, 1));
321	return bitize((int)((char )rp - (char )block));
322	}
323
324	int
325	bmapbtd_size(
326	void *obj,
327	int startoff,
328	int idx)
329	{
330	return bitize(mp->m_sb.sb_blocksize);
331	}